Pilot balloon assembly



FIG. 1 is a perspective view of the pilot balloon assembly of the present invention;

FIG. 2 is a left side view of the pilot balloon assembly of FIG. 1, the right side being a mirror image thereof;

FIG. 3 is a top view of the pilot balloon assembly of FIG. 1, the bottom being a mirror image thereof;

FIG. 4 is a front view of the pilot balloon assembly of FIG. 1; and,

FIG. 5 is a rear view of the pilot balloon assembly of FIG. 1.

The broken lines in the drawings illustrate portions of the pilot balloon assembly which form no part of the claimed design. 

CLAIM I claim the ornamental design for a pilot balloon assembly, as shown and described. 